JP2003072998A - Automatic paper roll delivering device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic paper roll delivering device capable of properly delivering paper of a specified length from paper roll and bringing paper in folded state and also capable of being easily handled. SOLUTION: This automatic paper roll delivering device comprises a roll shaft 26 rotatably supporting the paper roll 20 such as toilet paper, a pair of feed rollers 32 and 34 for delivering the paper roll 20 continuously delivered from the roll of the paper roll 20, and a drive device for drivingly rotating the feed roller 34. The device further comprises a delivery amount control means for automatically controlling the paper roll 20 delivered forward by the pair of feed rollers 32 and 34 so as to delivery the paper roll by a length for each use, a cutter 50 for automatically cutting the paper roll 20 delivered forward by a length for each use from the feed rollers 32 and 34, a paper receiver 22 for folding zigzag the cut paper roll 20 by a self-weight, and a paper receiver width adjusting part 22b for adjusting the width of the paper receiver folded by the paper receiver 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic roll paper feeding device for automatically feeding and cutting roll paper such as toilet paper, kitchen paper and paper towel.

[0002]

2. Description of the Related Art Conventionally, for example, a roll paper holder with a feeding device for toilet paper has a roll paper of a certain length than a roll paper roll as disclosed in Japanese Patent Application Laid-Open No. 2000-287872 by the present applicant. It was fed by a motor-driven feed roller, folded by a paper receiver, and cut by a cutter.

[0003]

In the case of the above conventional technique, the roll paper fed from the roll paper roll is folded into a certain width by the paper receiver, but the width may be widened or narrowed as necessary. It was something that could not be adjusted. Further, when the blade of the cutter cannot be cut, it is necessary to partially disassemble the device and replace the blade, which is a troublesome work.

The present invention has been made in view of the above-mentioned problems of the prior art, and it is possible to appropriately roll out a roll paper of a required length from a roll of roll paper and put it in a folded state, and it is easy to handle. It is an object of the present invention to provide an automatic roll paper feeding device.

[0005]

According to the present invention, there is provided a roll shaft that rotatably supports roll paper such as toilet paper, and a pair of feed rollers that feed roll paper continuously fed from the roll of roll paper. Roll paper provided with a drive device for rotationally driving the feed roller, and a feed amount control means for automatically controlling the roll paper fed ahead of the pair of feed rollers to a length of one unit of use. It is an automatic feeding device. Then, a cutter that automatically cuts the roll paper previously fed out in a length of one use unit from the feed roller, a paper receiver that folds the cut roll paper in a zigzag shape by its own weight, and this paper It is an automatic roll paper feeding device having a paper receiving width adjusting unit for adjusting a folding width by a receiving device.

The roll shaft has a flange portion, and an inclined portion having a continuously changing diameter is provided between the flange portion and the side surface of the roll shaft. The cutter is one in which a blade for cutting roll paper is provided in a box-shaped cartridge, and the cartridge is integrally detachably provided to a drive device for driving the blade in the cartridge. There is. A push-out member such as a lever that pivots around a pivot shaft to push out the cartridge is provided on the side of the cartridge. An O-ring is fitted to one of the feed rollers, and the O-ring is in contact with the other feed roller.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show the overall schematic structure of an automatic roll paper feeding device according to an embodiment of the present invention. The automatic roll paper feeding device 10 of this embodiment includes a back plate 12 that constitutes an exterior, a housing 14 that is detachably provided on the back plate 12 and has a curved surface shape, and a front portion of the housing 14. And a lid portion 16 that is provided in a part of the above, and is swingably opened and closed. An opening 14a is provided below the housing 14.
Is provided, and below the back plate 12, there is provided a paper receiver 22 for receiving the rolled-out toilet paper or other roll paper 20 directly below. The back plate 12 and the paper receiver 22 are installed at a predetermined interval by a connecting portion 24.

The paper receiver 22 is positioned substantially at right angles to the connecting portion 24, and the front side wall 22a of the paper receiver 22 has a height with which the rolled-up paper 20 can come into contact. Further, the distance between the connecting portion 24 and the front side wall 22a of the paper receiver 22 is set along the advancing / retreating guide portion 22b which is a paper receiving width adjusting part.
a is provided slidably in the front.

A pair of brackets (not shown) are installed above the housing 14, and a roll of roll paper 20 such as toilet paper is interposed between the brackets via a roll shaft 26 which is passed through a shaft insertion hole of the roll paper 20. It is detachably and rotatably supported. The roll shaft 26 is a roll paper 2
The collar portion 28 having a diameter of about 0 of the shaft insertion hole is provided.
Between the roller 8 and the side surface of the roll shaft 26, an inclined portion 30 having a continuously changing diameter is provided. The inclined portion 30 may have a truncated cone shape as well as the curved shape as illustrated.

Below the roll shaft 26 in the housing 14, a plurality of pairs of feed rollers 32 for feeding the roll paper 20 are provided.
34 is provided, and one of the feed rollers 34 is connected to a drive motor that rotationally drives the feed roller 34 via a drive mechanism (not shown). The feed roller 34 is fixed to the rotary shaft 39, and one groove is formed on the entire circumference of the center of the outer peripheral surface of the feed roller 34. As shown in FIG. 4, an O-ring 36 is fitted in this groove. Further, the drive mechanism and the motor are housed in a case 38 for the drive device. The feed roller 32 is fixed to the rotary shaft 40, and the rotary shaft 40 is supported by bearings 41 and 42 of the case 38 via bearings 45 and 46. An arcuate long hole 44 is formed in each of the bearing portions 41 and 42, and the bearing 4 of the bearing portion 42 is formed.
A lever 48 is integrally formed with the unit 6. By swinging the lever 48, the feed roller 32 swings together with the rotary shaft 40, and a gap can be formed between the feed roller 32 and the feed roller 34 which faces the rotary roller 40. Further, a lock mechanism is provided for temporarily locking the lever 48, the rotary shaft 39, or the like in a state where the feed roller 32 swings and a gap is formed between the feed roller 32 and the feed roller 34 facing the feed roller 32. good. This makes it easier to insert the roll paper 20.

The feed roller 34 or the drive mechanism is provided with a detector for detecting the amount of roll paper 20 fed out from the number of revolutions of the feed roller or the like. The detector includes a detector that detects the number of times the limit switch is turned on and off, a detector that uses an optical sensor and a proximity sensor, and various other rotary encoders. The detector is connected to a controller (not shown),
The control device compares the feed amount setting count number set in the counter in the control device with the count number by the detection signal, and if the detection count number reaches the set rotation number, stops the drive motor. .

Below the feed rollers 32 and 34, a cartridge type cutter 50 is provided. Cutter 5
0 is a fixed blade 54 in a rectangular box-shaped cartridge 52.
And the movable blade 55 are housed, and the drive device case 38 is formed.
It is connected to a not-shown cutter motor provided therein via a drive mechanism, whereby the movable blade 55 swings to cut the roll paper 20. The upper and lower surfaces of the cartridge 52 are provided with slits into which the roll paper 20 is inserted and exits.

Further, the cartridge 52 is detachably attached to the case 38 of the drive unit and the cutter motor for driving the movable blade 55 therein. In the attachment mechanism, the engagement protrusion 56 provided on the side surface of the cartridge 52 is engaged with the attachment / detachment lever 58 provided in the case 38 to hold the cartridge 52 in the case 38. The attachment / detachment lever 58 is provided so as to be rotatable about a rotation shaft 60, and a locking portion 64 that engages with the locking projection 56 is provided on the operation portion 62 side. With the rotation axis 60 as the center,
On the opposite side of the operation portion 62, a push-out portion 66 that pushes out the cartridge 52 when it is rotated around the rotation shaft 60 is integrally provided.

A switch 72 for feeding the roll paper 20 is provided below the front side of the housing 14.
A push button 74 is provided outside the switch 72. The housing 14 on the side of the push button 74 is provided with an adjusting knob 76 such as a volume adjusting the amount of the roll paper 10 delivered.

Next, a method of feeding the roll paper 20 of the roll paper automatic feeding device of this embodiment will be described. First, the roll shaft 20 is passed through the roll paper 20 and set between the pair of brackets in the housing 14, as shown in FIGS.
As shown in, the roll paper 20 is inserted between the feed rolls 32 and 34. At this time, the lever 48 is tilted forward to open the space between the feed rolls 32 and 34, and the roll paper 20 is passed through. Further, the roll paper 20 is attached to the cartridge 52 of the cutter 50.
The lever 48 is returned through the slit formed in the lever. In this state, the roll paper 20 can be fed out. In use, when the push button 74 is pushed, the roll paper 20 is fed by the rotation of the fixed amount feed rollers 32 and 34 by the control device. The rolled-out roll paper 20 drops into the paper receiver 22 through the opening 14 a below the housing 14. At this time, the roll paper 20 is bent by its own weight between the connecting portion 24 and the front side wall 22a of the paper receiver 22 and comes into contact with one side, is folded back at that position, is folded toward the other side, and so on. Folding proceeds. The width of this folding is set by appropriately adjusting the protruding position of the front side wall 22a. The amount of roll paper 20 to be fed is set by the control device by turning the adjusting knob 76.

Further, a drug spraying device may be installed in the lower part of the housing 14 so that the drug can be automatically sprayed on the upper part of the roll paper 20 cut in the folded state by a cutting completion signal. . In addition, the roll paper 2 that is falling
The medicine may be sprinkled on the roll paper 0 or the roll paper 20 in the middle of folding.

The roll paper automatic feeding device of this embodiment is a roll paper 20 continuously fed from a roll of toilet paper, kitchen paper, paper towel or the like.
Is automatically fed out by the feed rollers 32 and 34 to a length corresponding to one use unit, folded and cut, and a series of operations can be performed with one touch. Moreover, the length and folding width of the rolled-out roll paper 20 can be set arbitrarily, and an appropriate amount of the roll paper 20 can be fed out according to the purpose of use, which enables efficient use. Further, since the inclined portions 30 are formed on both sides of the roll shaft 26, the roll of the roll paper 20 is always positioned at the center of the roll shaft 26, and the positioning with respect to the feed rollers 32 and 34 and the cutter 50 is automatically performed. Made in.

Further, in the automatic roll paper feeding device of the present invention, since the O-ring 36 is attached to the feed roller 34, the roll paper 20 can be reliably held and fed between the feed roller 32 and the feed roller 32. Also, the O-ring 36 can be easily replaced. Further, since the cutter 50 is a cartridge type, it can be easily replaced when the blade becomes difficult to cut.

The push button 74 may be of a push type or a non-contact type using an optical sensor or a proximity sensor. In addition, a voice responsive device may be provided in place of the push button. Furthermore, a plurality of folded sheets may be automatically supplied by one operation. In this case, when the paper is picked up after one folding cutting operation, it is detected and the next feeding, folding and cutting operations are automatically performed so that the next use is possible. It is recommended to set this so that it will be repeated automatically any number of times. This number can be set arbitrarily. Further, it is preferable that the length of the folded paper can be set appropriately.

Thus, the user can obtain the folded paper in a desired state without using both hands.
In particular, for the elderly and people with disabilities, the roll paper feeding operation can be reduced.

Here, the power source for the drive motor, the cutting motor, the switches, the detector, the control device and the like may be an AC power source or a DC power source such as a dry battery. Further, the shape of the paper receiver can be appropriately set.

[0022]

According to the automatic roll paper feeding device of the present invention, an elderly person, a physically handicapped person having one handed hand, or a child can easily feed the paper from the roll paper and automatically cut it into a folded state. Therefore, it is possible to safely set in a short time until it can be used in a single operation. Furthermore, it is hygienic to the user, and the width and length of the roll paper to be folded can be set arbitrarily, and the roll paper can be used in an appropriate state according to the application. In addition, the roll paper is accurately fed and positioned, which is highly reliable.

[Brief description of drawings]

FIG. 1 is an external perspective view of an automatic roll paper feeding device according to an embodiment of the present invention.

FIG. 2 is a front view of the inside of the automatic roll paper feeding device according to the embodiment of the present invention.

FIG. 3 is a vertical sectional view of an automatic roll paper feeding device according to an embodiment of the present invention.

FIG. 4 is a top view of a feed roller of the roll paper automatic feeding device according to the embodiment of the present invention.

[Explanation of symbols]

10 Roll paper feeding device 12 Back plate 14 housing 16 Lid 20 roll paper 22 Paper tray 22a front side wall 22b Advancing / retreating guide section 24 Connection 26 roll axis 28 Tsuba 30 slope 32, 34 feed rollers 36 O-ring 38 cases 40 rotation axis 41,42 Bearing part 44 long hole 45,46 bearings 48 lever 50 cutter 52 cartridges 54 fixed blade 55 movable blade 56 Locking protrusion 58 Detachable lever 62 Operation part 64 Locking part 66 Extruder

Claims (4)

[Claims] 1. A roll shaft that rotatably supports roll paper, a pair of feed rollers that continuously feed the roll paper from a roll of the roll paper, a drive device that rotationally drives the feed rollers, and a pair of the above-mentioned rollers. A feeding amount control means for automatically controlling the roll paper fed forward from the feed roller by a length corresponding to one use unit, and the feed amount control means previously fed from the feed roller at a length corresponding to one use unit. A cutter that automatically cuts the roll paper, a paper receiver that folds the cut roll paper in a zigzag shape by its own weight, and a paper receiving width adjustment unit that adjusts the folding width of the paper receiver. Automatic roll paper feeding device. 2. The roll according to claim 1, wherein the roll shaft has a flange portion, and an inclined portion having a continuously changing diameter is provided between the flange portion and a side surface of the roll shaft. Automatic paper feeding device. 3. The cutter is provided with a blade for cutting roll paper in a cartridge, and the cartridge is detachably provided to a drive device for driving the blade in the cartridge. The automatic roll paper feeding device according to claim 1. 4. The automatic roll paper feeding device according to claim 1, wherein an O-ring is fitted to one of the feed rollers, and the O-ring is pressed against the other feed roller.